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December Weather in Dufur, United States

Last updated: June 24, 2025

In December, the average temperature in Dufur, United States is a chilly 1°C (35°F), with minimums plunging as low as -15°C (6°F), while reaching a maximum of 18°C (65°F). Expect 118 mm (4.6 in) of precipitation spread over 15 days, accompanied by a high average humidity of 88%. Prepare for a damp and cool experience!

December Temperature in Dufur

In December in Dufur, the average temperature is 1°C (35°F), with maximums reaching 18°C (65°F) and minimums dropping as low as -15°C (6°F). Travelers should be prepared for chilly conditions, but also the possibility of milder days during their visit.

December Weather in Dufur: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Dufur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dufur, December typically has an average temperature of 1°C (35°F), with highs reaching up to 18°C (65°F) and lows dropping to around -15°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec343541485664717163504135
Data source: Temperature data for Dufur generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Dufur

In Dufur in December, the precipitation amount is 118 mm (4.6 in) over the course of 15 days.

December Precipitation Trends in Dufur

The chart displays monthly precipitation patterns in Dufur, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Dufur, December typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec1121237569312224345893118
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Dufur

In Dufur in December, humidity is 88%. With an average temperature of 1°C (35°F), this humidity feels like a chilly embrace, making travel quite uncomfortable as the cold moisture clings to your skin, leaving you feeling damp and frigid.

December Average Humidity in Dufur

This chart illustrates the average monthly humidity levels in Dufur, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Dufur is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%85%80%82%79%63%59%78%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Dufur

In Dufur in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Dufur, you can visit Hourly UV Index in Dufur.

Maximum UV Index Levels in Dufur for December

The chart shows the monthly maximum UV Index (UVI) for Dufur in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Dufur typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101098532
Data source: Dufur December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Dufur Compares to Other Months

Weather in Dufur varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Dufur, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Dufur, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)112 mm (4.4 inches)86%low
February Weather2°C (35°F)123 mm (4.8 inches)87%moderate
March Weather5°C (41°F)75 mm (3.0 inches)86%high
April Weather9°C (48°F)69 mm (2.7 inches)85%high
May Weather14°C (57°F)31 mm (1.2 inches)80%very high
June Weather18°C (64°F)22 mm (0.9 inches)82%very high
July Weather22°C (71°F)2 mm (0.1 inches)78%very high
August Weather22°C (72°F)4 mm (0.2 inches)62%very high
September Weather17°C (63°F)34 mm (1.4 inches)59%very high
October Weather10°C (50°F)58 mm (2.3 inches)78%moderate
November Weather5°C (41°F)93 mm (3.6 inches)88%moderate
December Weather1°C (35°F)118 mm (4.6 inches)88%low

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